package operation;

package operation;

import book.BookList;



public class ExitOperation implements IOPeration{
    @Override
    public void work(BookList bookList) {
        System.out.println("退出系统......");
        int currentSize = bookList.getUsedSize();
        for (int i = 0; i < currentSize; i++) {
            bookList.setBook(i,null);
        }

        System.exit(0);

    }
}